/Engine/Source/Runtime/Engine/Public/SparseVolumeTexture/SparseVolumeTextureData.h
void IteratePhysicalSource ( [TFunctionRef](API\Runtime\Core\GenericPlatform\TFunctionRef)< void(const FIntVector3 &Coord, int32 AttributesIdx, int32 ComponentIdx, float VoxelValue)> OnVisit ) const